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make reward timer dst sensitive

This commit is contained in:
keyan 2023-07-07 14:43:53 -05:00
parent 5e4dedad28
commit 0c67808e44
1 changed files with 15 additions and 7 deletions
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22
pages/rewards.js
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@ -23,19 +23,27 @@ const REWARDS = gql`
}
`
function midnight (tz) {
function tzOffset (tz) {
const date = new Date()
date.setMilliseconds(0)
const targetDate = new Date(date.toLocaleString('en-US', { timeZone: tz }))
const targetOffsetHours = (date.getTime() - targetDate.getTime()) / 1000 / 60 / 60
return targetOffsetHours
}
const date = new Date()
date.setHours(24, 0, 0, 0)
return date.getTime() + tzOffset(tz) * 60 * 60 * 1000
}
export const getServerSideProps = getGetServerSideProps(REWARDS)
export function RewardLine ({ total }) {
const [threshold, setThreshold] = useState(0)
useEffect(() => {
const date = new Date()
date.setHours(24, 0, 0, 0)
// Central Daylight Saving Time UTC offset in minutes
const targetOffset = -5 * 60
const localOffset = -date.getTimezoneOffset()
const ts = date.getTime() + ((localOffset - targetOffset) * 60 * 1000)
setThreshold(ts)
setThreshold(midnight('America/Chicago'))
}, [])
return (